Claude Sonnet 3.6 (2022-10-22)vsQwen3.5 Plus 2026-02-15
Qwen3.5 Plus 2026-02-15 is cheaper than Claude Sonnet 3.6 (2022-10-22) at $0.4/M vs $3/M input tokens.
| Spec | Claude Sonnet 3.6 (2022-10-22) | Qwen3.5 Plus 2026-02-15 |
|---|---|---|
| Input price | $3/M tokens | $0.4/M tokens |
| Output price | $15/M tokens | $2.4/M tokens |
| Context window | 200K tokens | 1.0M tokens |
| Parameters | Not disclosed | Not disclosed |
| Weights | — | Closed |
| Free API (OpenRouter) | No | No |
| Released | Jun 2024 | Feb 2026 |
| GPQA Diamond | 65.0% | 88.4% |
Our Verdict
Qwen3.5 Plus 2026-02-15
Claude Sonnet 3.6 (2022-10-22)Runner-up
Not enough votes to call it. On the specs, Qwen3.5 Plus 2026-02-15 has the edge: bigger model tier, newer, bigger context window.
Qwen3.5 Plus 2026-02-15 costs 6.3x less per token.
Too close to call
API pricing
Cost per 1M tokens
Claude Sonnet 3.6 (2022-10-22)
Input
$3.00
Output
$15.00
Qwen3.5 Plus 2026-02-15
Input
$0.40
7.5× cheaper
Output
$2.40
6.3× cheaper
Qwen3.5 Plus 2026-02-15 is cheaper on both: 7.5× input, 6.3× output.
Where to run it
1 host
Claude Sonnet 3.6 (2022-10-22)
No hosts listed on OpenRouter.
Qwen3.5 Plus 2026-02-151 host
Per million tokens. Prices and uptime via OpenRouter, checked 9 Sep 2026.
Writing DNA
Style Comparison
Similarity
47%
Qwen3.5 Plus 2026-02-15 uses 10.0x more emoji
Claude Sonnet 3.6 (2022-10-22)
Qwen3.5 Plus 2026-02-15
67%Vocabulary54%
64wSentence Length18w
0.70Hedging0.51
0.3Bold5.3
8.1Lists2.9
0.00Emoji0.10
0.05Headings0.75
0.07Transitions0.09
Based on 26 + 23 text responses
Research
What we learned reading every model
FAQ
Common questions
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